Evaluate algebraic expressions with two or more variables and multiple steps.

Find the absolute value of numbers.

Papa Bear and his son Teddy went fishing.Teddy caught 3 fish and Papa Bear caught 4 times as many fish as Teddy. How many fish did Papa Bear catch?

Solve an equation when given a specified set.

Multiply decimals to hundredths using the traditional method.

Identifying special types of triangles based on the angle properties such as right triangles, obtuse triangles, and acute triangles.

Divide a decimal by a two-digit decimal divisor using the traditional method.

Divide a number into groups.

Solutions to Problem 1.

Solutions to Problem 8.

Identifying the properties of polygons and special types of polygons like quadrilaterals and triangles.

Solutions to Problem 35.

Learn how to compare two area models representing fractions, and then use the appropriate comparison symbol to write the comparison statement.

Add and subtract mixed numbers with equal denominators by conversion to improper fractions.

Two-dimensional figures and polygons.

Plot integers and rational numbers on the number line.

Identify lines of symmetry in regular polygons.

Compare two multi-digit whole numbers in base-ten numerals.

Compute differences mentally using the subtraction rules.

Understanding the effect of multiplying by a fraction that equals to one.

Multiply one-digit whole numbers by whole numbers of up to four digits using the standard algorithm.

Classifying polygons based on the presence or absence of parallel and perpendicular lines.

Tell time on a watch.

Time measurements.